| CTN | calcitonin; clinical trials notification; computer tomography number; continuous noise |
|---|---|
| CVVH | continuous veno-venous hemofiltration |
| CVVHD | continuous veno-venous hemodialysis |
| CW | cardiac work; case work; cell wall; chemical warfare; chemical weapon; chest wall; children's ward; ... |
| CWD | cell wall defect; continuous-wave Doppler |